Sime Halstead 30/90 TRIO - something is preventing the burners from firing ?
Sime thermostat?
Sime Format 100c 6yrs old?
how do i know the time is right on my boiler?
sime boiler super format 100 keeps cutting out/please help?
My sime super 90 has developed a dely in igniting?
How to increase water pressure in SIME format 34 boiler?
heating system?
My sime super 90 has developed a delay in igniting?
Sime Halstead Trio 30/90 - Main Burners are taking too long to fire up?
i dont know how to higher the pressure on my sime boiler?
how can i fix my central heating boiler?